What happens if my accountant misses a tax deadline in the US?

The IRS charges a failure-to-file penalty of 5% of unpaid tax per month (up to 25%) and a failure-to-pay penalty of 0.5% per month (up to 25%). Both run simultaneously until the return is filed and paid. You — the taxpayer — are responsible for these penalties even if your accountant caused the delay. The IRS does not accept 'my accountant failed me' as a legal defense, though you may have a civil claim against the accountant.

Can I get IRS penalties waived if my accountant missed a deadline?

Possibly. The IRS offers First-Time Abatement (FTA) if you have no penalties in the prior three years. You can also argue Reasonable Cause — that the delay was due to circumstances beyond your control. However, the IRS generally does not accept reliance on a negligent tax professional as Reasonable Cause unless you can show the professional gave you incorrect advice. File immediately, pay as much as you can, then call the IRS penalty abatement line or have an EA or CPA file Form 843.

What is the IRS failure-to-file penalty?

The failure-to-file penalty is 5% of unpaid taxes per month (or part of a month), up to a maximum of 25%. If the return is more than 60 days late, the minimum penalty is $485 (2024 figure, inflation-adjusted annually) or the balance of tax owed, whichever is less. If you owe nothing, there is no failure-to-file penalty — but the return still needs to be filed.

Should I fire my accountant if they missed a tax deadline?

Yes — a missed deadline is a serious lapse. Before firing, document the missed deadline in writing, request all your records (QuickBooks file, prior returns, workpapers, any communication), and get confirmation of the filing status. Then find a replacement. At Sharma Jyoti and Co we handle transitions within days — we sign an NDA, you grant QuickBooks access, and we review the books within 72 hours. Most transitions are complete within one to two weeks.

Can I sue my accountant for missing a tax deadline?

Yes — you may have a civil malpractice claim against your accountant if: (1) they had a duty to file by the deadline, (2) they breached that duty by missing it, (3) you suffered actual damages (penalties, interest, or follow-on costs). Keep all written evidence: engagement letters, emails where you provided documents, any missed-deadline communication. Consult a tax attorney. The IRS malpractice claim does not reduce your IRS liability — you still owe the penalties — but you may be able to recover them from the accountant.

My Accountant Missed a Tax Deadline — What to Do Now (US Small Business Guide)

Your legal position: You — the taxpayer — are responsible for IRS penalties even if your accountant caused the delay. The IRS does not waive penalties simply because a professional failed you. You must take action immediately to stop the penalties from compounding.

What Penalties Are You Facing?

Penalty Type	Rate	Maximum	Notes
Failure-to-File	5% of unpaid tax per month	25% of unpaid tax	Starts the day after the original deadline. Minimum penalty: $485 if 60+ days late (2024 amount)
Failure-to-Pay	0.5% of unpaid tax per month	25% of unpaid tax	Continues until tax is fully paid. Rate drops to 0.25%/month if you have an IRS payment plan
Combined maximum	Both run simultaneously	47.5% of unpaid tax	Failure-to-file is reduced by the failure-to-pay rate in the same month
Interest	Federal short-term rate + 3%	No cap	Compounds daily. Currently ~8% annualized. Interest is NOT abatable.
If no tax owed	No penalty	—	File anyway — an unfiled return keeps the statute of limitations open forever

Step 1: File the Return Today — Even Incomplete

The failure-to-file penalty (5%/month) is ten times worse than the failure-to-pay penalty (0.5%/month). Filing immediately — even with estimated figures — stops the bigger penalty clock. Your CPA can file an amended return (Form 1040-X for individuals, amended Form 1120-S or 1065 for entities) later if needed.

If your CPA or accountant won't file immediately, contact another CPA or Enrolled Agent today. Do not wait for your current accountant to respond.

Step 2: Pay as Much as You Can Today

Pay what you can at IRS Direct Pay (individuals) or EFTPS (businesses) today. Even a partial payment reduces the unpaid balance the 0.5%/month penalty is calculated on. If you cannot pay in full, apply for an IRS payment plan online — this reduces the failure-to-pay rate from 0.5%/month to 0.25%/month.

Step 3: Request Penalty Abatement

First-Time Abatement (FTA) — the easiest path

The IRS will waive failure-to-file and failure-to-pay penalties if all three conditions are met:

You (or your entity) had no penalties in the three tax years immediately before the year that was late
You have filed all required returns (or a valid extension)
You have paid (or arranged to pay) any tax owed

How to request FTA: Call the IRS at 1-800-829-1040 and ask for First-Time Abatement. Or have your EA or CPA file Form 843 (Claim for Refund and Request for Abatement). FTA is not publicized by the IRS — you must ask for it.

Reasonable Cause — harder but possible

If you don't qualify for FTA, you can request abatement based on Reasonable Cause: circumstances beyond your control that prevented timely filing. Examples: serious illness, natural disaster, or specific incorrect advice from a tax professional. Note: the IRS generally does not accept "my accountant didn't file it" alone as Reasonable Cause — you need to show you exercised ordinary business care.

Step 4: Document the Accountant's Failure

Before or while taking the steps above, document everything in writing:

The engagement letter — what did the accountant agree to file and by when?
All emails where you sent documents, answered questions, or followed up
The date the accountant confirmed they would file and what they confirmed
Any written admission that the deadline was missed
All IRS notices you received as a result of the missed deadline

This documentation supports any civil malpractice claim against the accountant and, in limited cases, may support a Reasonable Cause penalty abatement argument.

Can I Sue My Accountant?

Yes — accountant malpractice claims for missed tax deadlines are real and recoverable. You will generally need to show:

The accountant had a duty to file by the deadline (engagement letter, verbal agreement)
They breached that duty (the filing was late)
You suffered actual damages — IRS penalties, interest, and any costs to fix it

Important: a civil malpractice award does not reduce your IRS liability. You still owe the penalties to the IRS. The lawsuit is how you recover those penalties from the accountant. Consult a tax attorney. Statute of limitations varies by state (usually 2–4 years from discovery of the harm).

Step 5: Find a Replacement — Fast

A missed deadline is a serious lapse. You need a replacement bookkeeper and potentially a CPA immediately. At Sharma Jyoti and Co, we handle emergency transitions:

Day	What Happens
Day 1	You book a free call. We sign an NDA. You grant us QuickBooks access.
Days 1–3	We review the books and produce a QuickBooks health report — what's clean, what's wrong
Days 3–7	We take over your monthly bookkeeping with a clean handoff from your prior provider
Ongoing	Monthly P&L, bank reconciliation, year-end workpapers. Your US CPA signs the return.

Pricing starts at $200/month for sole proprietors and single-member LLCs. We are an ICAI Chartered Accountant firm — our training equivalent to a US CPA. We work with your US CPA, not instead of them.

What About 1099s and Payroll Deadlines?

Missed 1099-NEC or W-2 deadlines (January 31) carry a separate penalty schedule: $60–$310 per form depending on how late, with a higher rate for intentional disregard. If your accountant missed the 1099 filing:

File immediately — the penalty accrues by how late, not just that it was late
The $310/form rate applies if the IRS determines there was intentional disregard
You can e-file late 1099-NECs via IRS FIRE or through QuickBooks, Gusto, or Tax1099
If the accountant also failed to track your contractors throughout the year, we can reconstruct the 1099 list from QuickBooks transaction history

Frequently Asked Questions

The IRS charges 5% of unpaid tax per month (failure-to-file, max 25%) and 0.5% per month (failure-to-pay, max 25%). Both run simultaneously. You — the taxpayer — are responsible even if your accountant caused it. File the return immediately to stop the larger penalty from compounding, then request First-Time Abatement.

Possibly. First-Time Abatement (FTA) waives penalties if you had no penalties in the prior three years and are now in compliance. Call 1-800-829-1040 and ask for FTA. Reasonable Cause abatement is harder — the IRS generally doesn't accept "my accountant failed me" without evidence you exercised due diligence.

5% of unpaid taxes per month (or part of a month), up to 25%. Minimum penalty: $485 if 60+ days late (2024, inflation-adjusted). If you owe nothing, there is no penalty — but file anyway or the statute of limitations never closes.

Yes — document the failure in writing, request all your records, then find a replacement. At Sharma Jyoti and Co we handle transitions in days: NDA first, QuickBooks access, books reviewed within 72 hours, full handoff within 1–2 weeks. We work with your US CPA on year-end filing.

Yes — accountant malpractice for a missed tax deadline is recoverable if you can show duty, breach, and actual damages (penalties and interest). You still owe the IRS regardless; the lawsuit lets you recover those penalties from the accountant. Keep all written evidence of what they agreed to do and when they agreed to do it.

My Accountant Missed a Tax Deadline — What to Do Now